PL Series OL Series HL Series LTC Series LED Series Air cleaner
| Model | OB20M | OB22M |
| Voltage | 220V/50Hz | 220V/50Hz |
| Power input | 2000W | 2200W |
| Stall Power input | 600W/1400W/2000W | 700W/1500W/2200W |
| Heating material | Alloy film | Alloy film |
| Control | Mechanical control | Mechanical control |
| Heating mode | Fan + thermal radiation | ?Fan + thermal radiation? |
| Time function | NO | NO |
| Appearance material | ?Steel mesh + engineering plastics | ??Steel mesh + engineering plastics? |
| Applicable surface（㎡） | ?16-20 | ?18-22 |
| Colour | Black/White | Black/White |
| Weight（KG） | ?3.6/5.0 | 3.6/5.0 |
| Product size（mm） | ??280(L)x280(W)x560(H) | ???280(L)x280(W)x560(H)?? |
| Packing size（mm） | ?360(L)x360(W)x600(H) | ???360(L)x360(W)x600(H)? |
| Number of containers | 345/714/834 | ????345/714/834? |
